public void RegisterNotifyingObject(NotifyingObject obj) { Contract.Requires <ArgumentNullException>(obj != null); RegisterNotifyingObject((INotifyPropertyChanging)obj); RegisterNotifyingObject((INotifyPropertyChanged)obj); }
public void RegisterNotifyingObject(NotifyingObject obj) { if (obj == null) { throw new ArgumentNullException(nameof(obj), "Contract assertion not met: obj != null"); } RegisterNotifyingObject((INotifyPropertyChanging)obj); RegisterNotifyingObject((INotifyPropertyChanged)obj); }